The center of the regular octagon below is at the origin. Which of the following rotational symmetries apply to the regular octagon?
Rotation
Applies to the figure?
Rotational symmetry of 135° about the origin
Yes/No
Rotational symmetry of 180° about the origin
Yes/No

Ernest is purchasing a $175,000 home with a 30-year mortgage. he will make a $15,000 down payment. use the table below to find his monthly pmi payment.

The number of nails of a given length is normally distributed with a mean length of 5.00 in, and a standard deviation of 0.03 in. find the number of nails in a bag of 120 that are less than 4.94 in. long.

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.